This exercise involves the formula for the area of a circular sector. Find the area of a sector with central angle 4π/6 rad in a circle of radius 8 m. (Round your answer to one decimal places. Find the radius of the circle.

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

If there are 3.281 feet in 1 meter, how many inches are in one centimeter